1st planet orbiting a sunlike star discovered 29 years ago |

Astronomers discovered the 1st planet orbiting a sunlike star in 1995. Here is a comparison showing…

Dwarf planet Ceres might have been a muddy ocean world

Here’s a view of dwarf planet Ceres in false color. This view makes it easy to…

Puffy exoplanet WASP-107 b has an asymmetric atmosphere

Artist’s illustration of WASP-107 b, with its asymmetric atmosphere, as it transits (passes in front of)…

A striped ‘zebra rock’ on Mars and a new Mars face

View larger. | Enhanced image of the ‘zebra rock’ on Mars. NASA’s Perseverance rover took this…

Are the Andromeda and Milky Way galaxies already merging?

View at EarthSky Community Photos. | Jeremy Likness in Newport, Oregon, captured this telescopic view of…

Barnard’s star has at least 1 planet … and maybe more

Discovery of the 1st known exoplanet orbiting Barnard’s star. Video via ESO. Barnard’s star is the…

Wow! Another one! Big new sungrazer comet could get SUPER-bright

There’s a brand new comet in the sky! No, not Comet C/2023 A3 Tsuchinshan-ATLAS. Like the…

Hera mission scheduled to launch October 7

In this artist’s concept, the Hera mission scans the impact crater that DART leaves behind. Image…

A lost ocean? Lava under Olympus Mons?

View larger. | Mars gravity map showing dense gravitational structures below the red planet’s surface in…

Did Webb find the missing link to first stars?

The newly-discovered weird galaxy – GS-NDG-9422 – appears as a faint blur in this James Webb…